From: Alexander Belopolsky <alexander.belopolsky@gmail.com>
Date: Sun, 4 Jul 2010 17:00:20 +0000 (+0000)
Subject: Issue #9118: help(None) will now return NoneType doc instead of
X-Git-Tag: v3.2a1~319
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2e733c9625abf1912845d37e1eceeb3cc2873afa;p=python

Issue #9118: help(None) will now return NoneType doc instead of
starting interactive help.
---

diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 2722a753fe..95eb3183b7 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -1705,8 +1705,9 @@ class Helper:
             return ''
         return '<pydoc.Helper instance>'
 
-    def __call__(self, request=None):
-        if request is not None:
+    _GoInteractive = object()
+    def __call__(self, request=_GoInteractive):
+        if request is not self._GoInteractive:
             self.help(request)
         else:
             self.intro()